) 7x – 4 = x – 16 2) 13 – 5x = 8 – 2x 3) 1,3p – 11 = 0,8p + 5 4) 0,71x – 13 = 10 – 0,29x 5) 3,1(1 – 3t) + t = 0,4(t – 14) 6) 2 = (3x – 5) – (7 – 4x) 7) 8x – 5 = x – 40 8) 7t + 24 = t – 3 9) 0,3p – 5 = 6 – 0,7p 10) 8,31x – 71 = 1,11x + 1 11) 0,2(x – 3) – 1 = 0,5(x +3) – 0,4 12) 12 = (7x – 9) – (11 – x)